GB2197661B - Solvent-dewaxing process using combination dewaxing aid of (c24) alkylmethacrylate polymer and poly (c8-20) alkyl(meth-)acrylate polymer. - Google Patents
Solvent-dewaxing process using combination dewaxing aid of (c24) alkylmethacrylate polymer and poly (c8-20) alkyl(meth-)acrylate polymer.Info
- Publication number
- GB2197661B GB2197661B GB8727426A GB8727426A GB2197661B GB 2197661 B GB2197661 B GB 2197661B GB 8727426 A GB8727426 A GB 8727426A GB 8727426 A GB8727426 A GB 8727426A GB 2197661 B GB2197661 B GB 2197661B
- Authority
- GB
- United Kingdom
- Prior art keywords
- dewaxing
- polymer
- meth
- poly
- alkyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G73/00—Recovery or refining of mineral waxes, e.g. montan wax
- C10G73/02—Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils
- C10G73/04—Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils with the use of filter aids
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/933,126 US4728414A (en) | 1986-11-21 | 1986-11-21 | Solvent dewaxing using combination poly (n-C24) alkylmethacrylate-poly (C8 -C20 alkyl (meth-) acrylate dewaxing aid |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8727426D0 GB8727426D0 (en) | 1987-12-23 |
GB2197661A GB2197661A (en) | 1988-05-25 |
GB2197661B true GB2197661B (en) | 1991-07-03 |
Family
ID=25463415
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8727426A Expired - Lifetime GB2197661B (en) | 1986-11-21 | 1987-11-23 | Solvent-dewaxing process using combination dewaxing aid of (c24) alkylmethacrylate polymer and poly (c8-20) alkyl(meth-)acrylate polymer. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4728414A (en) |
JP (1) | JPS63199289A (en) |
GB (1) | GB2197661B (en) |
IT (1) | IT1223445B (en) |
SG (1) | SG80891G (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3933376A1 (en) * | 1989-10-06 | 1991-04-18 | Roehm Gmbh | METHOD FOR DEPARPAINING WAXED PETROLEUM PRODUCTS |
NL9002305A (en) * | 1990-10-23 | 1992-05-18 | Shell Int Research | METHOD FOR UNPARAFINIFICATION. |
US5547562A (en) * | 1995-05-25 | 1996-08-20 | Nalco/Exxon Energy Chemicals, L.P. | Oil dewaxing method |
GB2305185A (en) * | 1995-09-14 | 1997-04-02 | Shell Int Research | Dewaxing oil with a co-polymer |
JP4920817B2 (en) * | 1999-09-20 | 2012-04-18 | 三洋化成工業株式会社 | Dewaxing aid |
WO2002100986A1 (en) * | 2001-06-11 | 2002-12-19 | Sanyo Chemical Industries, Ltd. | Additive for dewaxing and method of dewaxing |
JP3841404B2 (en) * | 2002-02-22 | 2006-11-01 | 東邦化学工業株式会社 | New dewaxing aid |
CN102453548B (en) * | 2010-10-14 | 2014-07-23 | 中国石油化工股份有限公司 | Solvent dewaxing method by use of dewaxing assistant |
DE102011003855A1 (en) | 2011-02-09 | 2012-08-09 | Evonik Rohmax Additives Gmbh | Process for dewaxing mineral oil compositions |
US8730472B2 (en) * | 2011-07-22 | 2014-05-20 | Exxonmobil Research And Engineering Company | Method for predicting haze in lubricant base stocks |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1151385A (en) * | 1968-01-24 | 1969-05-07 | Exxon Research Engineering Co | Separation of Hydrocarbon Wax from Mineral Oil using Dewaxing Aids |
GB2048922A (en) * | 1979-05-03 | 1980-12-17 | Exxon Research Engineering Co | Dewaxing Aid for the Solvent Dewaxing of Hydrocarbon Oils |
EP0107917A1 (en) * | 1982-09-29 | 1984-05-09 | Exxon Research And Engineering Company | Solvent dewaxing waxy hydrocarbon oil distillates using a combination poly di-alkyl fumarate-vinyl acetate copolymer having pendent carbon side chain length of predominantly C 22 and polyalkyl (meth-)acrylate polymer dewaxing aid |
US4460453A (en) * | 1982-09-29 | 1984-07-17 | Exxon Research And Engineering Co. | Solvent dewaxing waxy bright stock using a combination polydialkyl fumarate-vinyl acetate copolymer and polyalkyl (meth-) acrylate polymer dewaxing aid |
EP0160754A1 (en) * | 1982-09-29 | 1985-11-13 | Exxon Research And Engineering Company | Solvent dewaxing of waxy hydrocarbon distillates |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3729296A (en) * | 1966-10-14 | 1973-04-24 | Exxon Research Engineering Co | Polymeric wax crystal modifiers for high wax content petroleum oils |
US3458430A (en) * | 1967-05-15 | 1969-07-29 | Exxon Research Engineering Co | Separation of hydrocarbon wax from mineral oil using dewaxing aids |
US3904385A (en) * | 1972-05-08 | 1975-09-09 | Texaco Inc | Polyacrylates and waxy residual fuel compositions thereof |
AT368804B (en) * | 1976-12-21 | 1982-11-10 | Uni Cardan Ag | CV DRIVE JOINT |
JPS5917154B2 (en) * | 1980-07-30 | 1984-04-19 | 出光興産株式会社 | Dewaxing method for hydrotreated waxy oil |
-
1986
- 1986-11-21 US US06/933,126 patent/US4728414A/en not_active Expired - Fee Related
-
1987
- 1987-11-20 JP JP62292250A patent/JPS63199289A/en active Pending
- 1987-11-20 IT IT22718/87A patent/IT1223445B/en active
- 1987-11-23 GB GB8727426A patent/GB2197661B/en not_active Expired - Lifetime
-
1991
- 1991-10-05 SG SG808/91A patent/SG80891G/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1151385A (en) * | 1968-01-24 | 1969-05-07 | Exxon Research Engineering Co | Separation of Hydrocarbon Wax from Mineral Oil using Dewaxing Aids |
GB2048922A (en) * | 1979-05-03 | 1980-12-17 | Exxon Research Engineering Co | Dewaxing Aid for the Solvent Dewaxing of Hydrocarbon Oils |
EP0107917A1 (en) * | 1982-09-29 | 1984-05-09 | Exxon Research And Engineering Company | Solvent dewaxing waxy hydrocarbon oil distillates using a combination poly di-alkyl fumarate-vinyl acetate copolymer having pendent carbon side chain length of predominantly C 22 and polyalkyl (meth-)acrylate polymer dewaxing aid |
US4460453A (en) * | 1982-09-29 | 1984-07-17 | Exxon Research And Engineering Co. | Solvent dewaxing waxy bright stock using a combination polydialkyl fumarate-vinyl acetate copolymer and polyalkyl (meth-) acrylate polymer dewaxing aid |
EP0160754A1 (en) * | 1982-09-29 | 1985-11-13 | Exxon Research And Engineering Company | Solvent dewaxing of waxy hydrocarbon distillates |
Also Published As
Publication number | Publication date |
---|---|
GB2197661A (en) | 1988-05-25 |
IT8722718A0 (en) | 1987-11-20 |
GB8727426D0 (en) | 1987-12-23 |
SG80891G (en) | 1991-12-13 |
IT1223445B (en) | 1990-09-19 |
US4728414A (en) | 1988-03-01 |
JPS63199289A (en) | 1988-08-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19981123 |